Book 22, Question 76 · Video
How Do Scientists Find Out How Much Energy Is in a Peanut?
How could anyone measure the energy in a peanut? Scientists use a clever device. It is called a calorimeter! Peanuts are rich in fat, which stores lots of energy.
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What Crafty Clover says in this video
Intro
Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. How do scientists find out how much energy is in a peanut?
The Big Idea
How could anyone measure the energy in a peanut? Scientists use a clever device. It is called a calorimeter!
Burn a Snack
Step one: burn a snack. Scientists measure the energy in food with a device called a calorimeter. They burn a dried bit of food under a container of water.
Watch the Water
Step two: watch the water. They measure how much the water warms up. More energy means a bigger rise in temperature.
A Job for Experts
Step three: a job for experts. A peanut gives off enough heat to warm a cup of water quite a lot. This is a job for trained adults, so kids watch from far away.
A Closer Look
Let's take a closer look! The peanut burns. The water above it warms. The thermometer shows the rise. A bigger rise means more energy.
Quick Facts
Quick facts! Peanuts are rich in fat, which stores lots of energy. A calorimeter measures that energy by warming water. Only trained adults should burn food in a test. Kids can safely watch a video of it.
Think Like a Scientist
Now, think like a scientist! With a grown-up, watch a video of a peanut calorimeter experiment. Write down the starting temperature of the water. Write down the final temperature. How much did it change? Keep asking why, and keep exploring!
Outro
Scientists find the energy in a peanut by burning it under water and measuring the warming. Only trained adults do this, so kids can watch a video instead. Science is amazing! Keep wondering and keep exploring! The more you look around, the more wonders you will find, so keep your eyes open! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!